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878ddf1f | 1 | /** @file\r |
2 | Private functions used by PCD PEIM.\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | \r | |
14 | Module Name: Service.c\r | |
15 | \r | |
16 | **/\r | |
878ddf1f | 17 | #include "Service.h"\r |
18 | \r | |
19 | \r | |
878ddf1f | 20 | /**\r |
52e1905d | 21 | The function registers the CallBackOnSet fucntion\r |
22 | according to TokenNumber and EFI_GUID space.\r | |
878ddf1f | 23 | \r |
52e1905d | 24 | @param[in] TokenNumber The token number.\r |
25 | @param[in] Guid The GUID space.\r | |
26 | @param[in] CallBackFunction The Callback function to be registered.\r | |
878ddf1f | 27 | \r |
52e1905d | 28 | @retval EFI_SUCCESS If the Callback function is registered.\r |
29 | @retval EFI_NOT_FOUND If the PCD Entry is not found according to Token Number and GUID space.\r | |
878ddf1f | 30 | --*/\r |
52e1905d | 31 | EFI_STATUS\r |
32 | PeiRegisterCallBackWorker (\r | |
33 | IN UINTN ExTokenNumber,\r | |
34 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
35 | IN PCD_PPI_CALLBACK CallBackFunction,\r | |
36 | IN BOOLEAN Register\r | |
878ddf1f | 37 | )\r |
38 | {\r | |
52e1905d | 39 | EFI_HOB_GUID_TYPE *GuidHob;\r |
40 | PCD_PPI_CALLBACK *CallbackTable;\r | |
41 | PCD_PPI_CALLBACK Compare;\r | |
42 | PCD_PPI_CALLBACK Assign;\r | |
43 | UINT32 LocalTokenNumber;\r | |
44 | UINTN TokenNumber;\r | |
45 | UINTN Idx;\r | |
46 | EX_PCD_ENTRY_ATTRIBUTE Attr;\r | |
878ddf1f | 47 | \r |
52e1905d | 48 | if (Guid == NULL) {\r |
49 | TokenNumber = ExTokenNumber;\r | |
00b7af13 | 50 | ASSERT (TokenNumber < PEI_NEX_TOKEN_NUMBER);\r |
52e1905d | 51 | LocalTokenNumber = GetPcdDatabase()->Init.LocalTokenNumberTable[TokenNumber];\r |
52 | } else {\r | |
53 | GetExPcdTokenAttributes (Guid, ExTokenNumber, &Attr);\r | |
54 | TokenNumber = Attr.TokenNumber;\r | |
55 | LocalTokenNumber = Attr.LocalTokenNumberAlias;\r | |
56 | }\r | |
878ddf1f | 57 | \r |
52e1905d | 58 | ASSERT ((LocalTokenNumber & PCD_TYPE_HII) == 0);\r |
59 | ASSERT ((LocalTokenNumber & PCD_TYPE_VPD) == 0);\r | |
878ddf1f | 60 | \r |
52e1905d | 61 | GuidHob = GetFirstGuidHob (&gPcdPeiCallbackFnTableHobGuid);\r |
878ddf1f | 62 | ASSERT (GuidHob != NULL);\r |
52e1905d | 63 | \r |
64 | CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r | |
878ddf1f | 65 | \r |
52e1905d | 66 | Compare = Register? NULL: CallBackFunction;\r |
67 | Assign = Register? CallBackFunction: NULL;\r | |
878ddf1f | 68 | \r |
52e1905d | 69 | for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r |
70 | if (CallbackTable[Idx] == Compare) {\r | |
71 | CallbackTable[Idx] = Assign;\r | |
72 | return EFI_SUCCESS;\r | |
73 | }\r | |
74 | }\r | |
878ddf1f | 75 | \r |
52e1905d | 76 | return Register? EFI_OUT_OF_RESOURCES : EFI_NOT_FOUND;\r |
878ddf1f | 77 | \r |
878ddf1f | 78 | }\r |
79 | \r | |
80 | \r | |
878ddf1f | 81 | \r |
878ddf1f | 82 | \r |
52e1905d | 83 | /**\r |
84 | The function builds the PCD database based on the\r | |
85 | PCD_IMAGE on the flash.\r | |
878ddf1f | 86 | \r |
52e1905d | 87 | @param[in] PcdImageOnFlash The PCD image on flash.\r |
878ddf1f | 88 | \r |
52e1905d | 89 | @retval VOID\r |
878ddf1f | 90 | --*/\r |
52e1905d | 91 | VOID\r |
92 | BuildPcdDatabase (\r | |
93 | VOID\r | |
878ddf1f | 94 | )\r |
95 | {\r | |
52e1905d | 96 | PEI_PCD_DATABASE *Database;\r |
97 | VOID *CallbackFnTable;\r | |
98 | UINTN SizeOfCallbackFnTable;\r | |
99 | \r | |
100 | Database = BuildGuidHob (&gPcdDataBaseHobGuid, sizeof (PEI_PCD_DATABASE));\r | |
878ddf1f | 101 | \r |
52e1905d | 102 | ZeroMem (Database, sizeof (PEI_PCD_DATABASE));\r |
878ddf1f | 103 | \r |
104 | //\r | |
52e1905d | 105 | // gPEIPcdDbInit is smaller than PEI_PCD_DATABASE\r |
878ddf1f | 106 | //\r |
878ddf1f | 107 | \r |
52e1905d | 108 | CopyMem (&Database->Init, &gPEIPcdDbInit, sizeof (gPEIPcdDbInit));\r |
878ddf1f | 109 | \r |
52e1905d | 110 | SizeOfCallbackFnTable = PEI_LOCAL_TOKEN_NUMBER * sizeof (PCD_PPI_CALLBACK) * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry);\r |
878ddf1f | 111 | \r |
52e1905d | 112 | CallbackFnTable = BuildGuidHob (&gPcdPeiCallbackFnTableHobGuid, SizeOfCallbackFnTable);\r |
113 | \r | |
114 | ZeroMem (CallbackFnTable, SizeOfCallbackFnTable);\r | |
115 | \r | |
116 | return;\r | |
878ddf1f | 117 | }\r |
118 | \r | |
119 | \r | |
120 | \r | |
121 | /**\r | |
52e1905d | 122 | The function is provided by PCD PEIM and PCD DXE driver to\r |
123 | do the work of reading a HII variable from variable service.\r | |
878ddf1f | 124 | \r |
52e1905d | 125 | @param[in] VariableGuid The Variable GUID.\r |
126 | @param[in] VariableName The Variable Name.\r | |
127 | @param[out] VariableData The output data.\r | |
128 | @param[out] VariableSize The size of the variable.\r | |
878ddf1f | 129 | \r |
52e1905d | 130 | @retval EFI_SUCCESS Operation successful.\r |
131 | @retval EFI_SUCCESS Variablel not found.\r | |
878ddf1f | 132 | --*/\r |
133 | EFI_STATUS\r | |
52e1905d | 134 | GetHiiVariable (\r |
135 | IN CONST EFI_GUID *VariableGuid,\r | |
136 | IN UINT16 *VariableName,\r | |
137 | OUT VOID **VariableData,\r | |
138 | OUT UINTN *VariableSize\r | |
878ddf1f | 139 | )\r |
140 | {\r | |
52e1905d | 141 | UINTN Size;\r |
142 | EFI_STATUS Status;\r | |
143 | VOID *Buffer;\r | |
144 | EFI_PEI_READ_ONLY_VARIABLE_PPI *VariablePpi;\r | |
878ddf1f | 145 | \r |
52e1905d | 146 | Status = PeiCoreLocatePpi (&gEfiPeiReadOnlyVariablePpiGuid, 0, NULL, &VariablePpi);\r |
147 | ASSERT_EFI_ERROR (Status);\r | |
878ddf1f | 148 | \r |
52e1905d | 149 | Size = 0;\r |
878ddf1f | 150 | \r |
52e1905d | 151 | Status = VariablePpi->PeiGetVariable (\r |
152 | GetPeiServicesTablePointer (),\r | |
153 | VariableName,\r | |
154 | (EFI_GUID *) VariableGuid,\r | |
155 | NULL,\r | |
156 | &Size,\r | |
157 | NULL\r | |
158 | );\r | |
159 | ASSERT (Status == EFI_BUFFER_TOO_SMALL);\r | |
160 | \r | |
161 | Status = PeiCoreAllocatePool (Size, &Buffer);\r | |
162 | ASSERT_EFI_ERROR (Status);\r | |
163 | \r | |
52e1905d | 164 | Status = VariablePpi->PeiGetVariable (\r |
165 | GetPeiServicesTablePointer (),\r | |
166 | (UINT16 *) VariableName,\r | |
167 | (EFI_GUID *) VariableGuid,\r | |
168 | NULL,\r | |
169 | &Size,\r | |
170 | Buffer\r | |
171 | );\r | |
172 | ASSERT_EFI_ERROR (Status);\r | |
173 | \r | |
174 | *VariableSize = Size;\r | |
175 | *VariableData = Buffer;\r | |
878ddf1f | 176 | \r |
177 | return EFI_SUCCESS;\r | |
178 | }\r | |
179 | \r | |
180 | \r | |
52e1905d | 181 | UINT32\r |
182 | GetSkuEnabledTokenNumber (\r | |
183 | UINT32 LocalTokenNumber,\r | |
184 | UINTN Size\r | |
185 | ) \r | |
878ddf1f | 186 | {\r |
52e1905d | 187 | PEI_PCD_DATABASE *PeiPcdDb;\r |
188 | SKU_HEAD *SkuHead;\r | |
189 | SKU_ID *SkuIdTable;\r | |
190 | INTN i;\r | |
191 | UINT8 *Value;\r | |
192 | \r | |
193 | PeiPcdDb = GetPcdDatabase ();\r | |
194 | \r | |
195 | ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);\r | |
196 | \r | |
197 | SkuHead = (SKU_HEAD *) ((UINT8 *)PeiPcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));\r | |
198 | Value = (UINT8 *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuDataStartOffset));\r | |
199 | SkuIdTable = (SKU_ID *) ((UINT8 *)PeiPcdDb + (SkuHead->SkuIdTableOffset));\r | |
200 | \r | |
201 | for (i = 0; i < SkuIdTable[0]; i++) {\r | |
202 | if (PeiPcdDb->Init.SystemSkuId == SkuIdTable[i + 1]) {\r | |
203 | break;\r | |
204 | }\r | |
205 | }\r | |
878ddf1f | 206 | \r |
52e1905d | 207 | switch (LocalTokenNumber & ~PCD_DATABASE_OFFSET_MASK) {\r |
208 | case PCD_TYPE_VPD:\r | |
209 | Value += sizeof(VPD_HEAD) * i;\r | |
210 | return ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_VPD);\r | |
211 | \r | |
212 | case PCD_TYPE_HII:\r | |
213 | Value += sizeof(VARIABLE_HEAD) * i;\r | |
214 | return ((Value - (UINT8 *) PeiPcdDb) | PCD_TYPE_HII);\r | |
215 | \r | |
00b7af13 | 216 | case PCD_TYPE_DATA:\r |
52e1905d | 217 | Value += Size * i;\r |
218 | return (Value - (UINT8 *) PeiPcdDb);\r | |
219 | \r | |
220 | default:\r | |
221 | ASSERT (FALSE);\r | |
222 | }\r | |
878ddf1f | 223 | \r |
52e1905d | 224 | ASSERT (FALSE);\r |
878ddf1f | 225 | \r |
52e1905d | 226 | return 0;\r |
227 | \r | |
878ddf1f | 228 | }\r |
229 | \r | |
230 | \r | |
231 | \r | |
878ddf1f | 232 | \r |
52e1905d | 233 | VOID\r |
234 | InvokeCallbackOnSet (\r | |
235 | UINT32 ExTokenNumber,\r | |
236 | CONST EFI_GUID *Guid, OPTIONAL\r | |
237 | UINTN TokenNumber,\r | |
238 | VOID *Data,\r | |
239 | UINTN Size\r | |
240 | )\r | |
878ddf1f | 241 | {\r |
878ddf1f | 242 | EFI_HOB_GUID_TYPE *GuidHob;\r |
878ddf1f | 243 | PCD_PPI_CALLBACK *CallbackTable;\r |
52e1905d | 244 | UINTN Idx;\r |
878ddf1f | 245 | \r |
52e1905d | 246 | if (Guid == NULL)\r |
247 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r | |
248 | \r | |
249 | GuidHob = GetFirstGuidHob (&gPcdPeiCallbackFnTableHobGuid);\r | |
878ddf1f | 250 | ASSERT (GuidHob != NULL);\r |
251 | \r | |
52e1905d | 252 | CallbackTable = GET_GUID_HOB_DATA (GuidHob);\r |
878ddf1f | 253 | \r |
52e1905d | 254 | CallbackTable += (TokenNumber * FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry));\r |
878ddf1f | 255 | \r |
52e1905d | 256 | for (Idx = 0; Idx < FixedPcdGet32(PcdMaxPeiPcdCallBackNumberPerPcdEntry); Idx++) {\r |
257 | if (CallbackTable[Idx] != NULL) {\r | |
258 | CallbackTable[Idx] (Guid,\r | |
259 | (Guid == NULL)? TokenNumber: ExTokenNumber,\r | |
260 | Data,\r | |
261 | Size\r | |
262 | );\r | |
878ddf1f | 263 | }\r |
264 | }\r | |
52e1905d | 265 | \r |
878ddf1f | 266 | }\r |
267 | \r | |
878ddf1f | 268 | EFI_STATUS\r |
52e1905d | 269 | SetWorker (\r |
270 | UINTN TokenNumber,\r | |
271 | VOID *Data,\r | |
272 | UINTN Size,\r | |
273 | BOOLEAN PtrType\r | |
878ddf1f | 274 | )\r |
275 | {\r | |
52e1905d | 276 | UINT32 LocalTokenNumber;\r |
277 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
878ddf1f | 278 | \r |
52e1905d | 279 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
280 | \r | |
281 | PeiPcdDb = GetPcdDatabase ();\r | |
878ddf1f | 282 | \r |
52e1905d | 283 | LocalTokenNumber = PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber];\r |
878ddf1f | 284 | \r |
52e1905d | 285 | if (PtrType) {\r |
286 | ASSERT (PeiPcdDb->Init.SizeTable[TokenNumber] >= Size);\r | |
287 | } else {\r | |
288 | ASSERT (PeiPcdDb->Init.SizeTable[TokenNumber] == Size);\r | |
289 | }\r | |
878ddf1f | 290 | \r |
52e1905d | 291 | InvokeCallbackOnSet (0, NULL, TokenNumber, Data, Size);\r |
878ddf1f | 292 | \r |
52e1905d | 293 | return SetWorkerByLocalTokenNumber (LocalTokenNumber, Data, Size, PtrType);\r |
878ddf1f | 294 | \r |
878ddf1f | 295 | }\r |
296 | \r | |
297 | \r | |
298 | \r | |
878ddf1f | 299 | \r |
52e1905d | 300 | EFI_STATUS\r |
301 | ExSetWorker (\r | |
302 | IN UINT32 ExTokenNumber,\r | |
303 | IN CONST EFI_GUID *Guid,\r | |
304 | VOID *Data,\r | |
305 | UINTN Size,\r | |
306 | BOOLEAN PtrType\r | |
878ddf1f | 307 | )\r |
308 | {\r | |
52e1905d | 309 | PEI_PCD_DATABASE *PeiPcdDb;\r |
310 | EX_PCD_ENTRY_ATTRIBUTE Attr;\r | |
878ddf1f | 311 | \r |
878ddf1f | 312 | \r |
52e1905d | 313 | PeiPcdDb = GetPcdDatabase ();\r |
878ddf1f | 314 | \r |
52e1905d | 315 | GetExPcdTokenAttributes (Guid, ExTokenNumber, &Attr);\r |
878ddf1f | 316 | \r |
52e1905d | 317 | ASSERT (!PtrType && Attr.Size);\r |
878ddf1f | 318 | \r |
52e1905d | 319 | ASSERT (PtrType && Attr.Size >= Size);\r |
878ddf1f | 320 | \r |
52e1905d | 321 | InvokeCallbackOnSet (ExTokenNumber, Guid, Attr.TokenNumber, Data, Size);\r |
878ddf1f | 322 | \r |
52e1905d | 323 | SetWorkerByLocalTokenNumber (Attr.LocalTokenNumberAlias, Data, Size, PtrType);\r |
878ddf1f | 324 | \r |
52e1905d | 325 | return EFI_SUCCESS;\r |
326 | \r | |
878ddf1f | 327 | }\r |
328 | \r | |
329 | \r | |
878ddf1f | 330 | \r |
878ddf1f | 331 | \r |
52e1905d | 332 | EFI_STATUS\r |
333 | SetWorkerByLocalTokenNumber (\r | |
334 | UINT32 LocalTokenNumber,\r | |
335 | VOID *Data,\r | |
336 | UINTN Size,\r | |
337 | BOOLEAN PtrType\r | |
338 | )\r | |
878ddf1f | 339 | {\r |
52e1905d | 340 | PEI_PCD_DATABASE *PeiPcdDb;\r |
341 | UINT8 *PeiPcdDbRaw;\r | |
342 | UINT16 StringTableIdx;\r | |
343 | UINTN Offset;\r | |
344 | VOID *InternalData;\r | |
345 | \r | |
346 | \r | |
347 | PeiPcdDb = GetPcdDatabase ();\r | |
348 | PeiPcdDbRaw = (UINT8 *) PeiPcdDb;\r | |
878ddf1f | 349 | \r |
52e1905d | 350 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r |
351 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, Size);\r | |
352 | }\r | |
878ddf1f | 353 | \r |
52e1905d | 354 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
355 | InternalData = (VOID *) (PeiPcdDbRaw + Offset);\r | |
878ddf1f | 356 | \r |
52e1905d | 357 | switch (LocalTokenNumber & ~PCD_DATABASE_OFFSET_MASK) {\r |
358 | case PCD_TYPE_VPD:\r | |
359 | case PCD_TYPE_HII:\r | |
360 | {\r | |
361 | ASSERT (FALSE);\r | |
362 | return EFI_INVALID_PARAMETER;\r | |
363 | }\r | |
878ddf1f | 364 | \r |
52e1905d | 365 | case PCD_TYPE_STRING:\r |
366 | StringTableIdx = *((UINT16 *)InternalData);\r | |
367 | CopyMem (&PeiPcdDb->Init.StringTable[StringTableIdx], Data, Size);\r | |
368 | break;\r | |
878ddf1f | 369 | \r |
52e1905d | 370 | case PCD_TYPE_DATA:\r |
371 | {\r | |
372 | \r | |
373 | if (PtrType) {\r | |
374 | CopyMem (InternalData, Data, Size);\r | |
375 | return EFI_SUCCESS;\r | |
376 | }\r | |
878ddf1f | 377 | \r |
52e1905d | 378 | switch (Size) {\r |
379 | case sizeof(UINT8):\r | |
380 | *((UINT8 *) InternalData) = *((UINT8 *) Data);\r | |
381 | return EFI_SUCCESS;\r | |
878ddf1f | 382 | \r |
52e1905d | 383 | case sizeof(UINT16):\r |
384 | *((UINT16 *) InternalData) = *((UINT16 *) Data);\r | |
385 | return EFI_SUCCESS;\r | |
878ddf1f | 386 | \r |
52e1905d | 387 | case sizeof(UINT32):\r |
388 | *((UINT32 *) InternalData) = *((UINT32 *) Data);\r | |
389 | return EFI_SUCCESS;\r | |
878ddf1f | 390 | \r |
52e1905d | 391 | case sizeof(UINT64):\r |
392 | *((UINT64 *) InternalData) = *((UINT64 *) Data);\r | |
393 | return EFI_SUCCESS;\r | |
878ddf1f | 394 | \r |
52e1905d | 395 | default:\r |
396 | ASSERT (FALSE);\r | |
397 | return EFI_NOT_FOUND;\r | |
398 | }\r | |
399 | }\r | |
400 | \r | |
878ddf1f | 401 | }\r |
402 | \r | |
52e1905d | 403 | ASSERT (FALSE);\r |
404 | return EFI_NOT_FOUND;\r | |
878ddf1f | 405 | }\r |
406 | \r | |
407 | \r | |
52e1905d | 408 | VOID *\r |
409 | GetWorkerByLocalTokenNumber (\r | |
410 | PEI_PCD_DATABASE *PeiPcdDb,\r | |
411 | UINT32 LocalTokenNumber,\r | |
412 | UINTN Size\r | |
878ddf1f | 413 | )\r |
414 | {\r | |
52e1905d | 415 | UINT32 Offset;\r |
416 | EFI_GUID *Guid;\r | |
417 | UINT16 *Name;\r | |
418 | VARIABLE_HEAD *VariableHead;\r | |
419 | EFI_STATUS Status;\r | |
420 | UINTN DataSize;\r | |
421 | VOID *Data;\r | |
422 | UINT16 *StringTable;\r | |
423 | UINT16 StringTableIdx;\r | |
424 | \r | |
425 | PeiPcdDb = GetPcdDatabase ();\r | |
426 | \r | |
427 | if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {\r | |
428 | LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, Size);\r | |
429 | }\r | |
878ddf1f | 430 | \r |
52e1905d | 431 | Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;\r |
432 | StringTable = PeiPcdDb->Init.StringTable;\r | |
433 | \r | |
434 | switch (LocalTokenNumber & ~PCD_DATABASE_OFFSET_MASK) {\r | |
435 | case PCD_TYPE_VPD:\r | |
436 | {\r | |
437 | VPD_HEAD *VpdHead;\r | |
438 | VpdHead = (VPD_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r | |
439 | return (VOID *) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);\r | |
440 | }\r | |
441 | \r | |
442 | case PCD_TYPE_HII:\r | |
443 | {\r | |
444 | VariableHead = (VARIABLE_HEAD *) ((UINT8 *)PeiPcdDb + Offset);\r | |
445 | \r | |
446 | Guid = &(PeiPcdDb->Init.GuidTable[VariableHead->GuidTableIndex]);\r | |
447 | Name = &StringTable[VariableHead->StringIndex];\r | |
448 | \r | |
449 | Status = GetHiiVariable (Guid, Name, &Data, &DataSize);\r | |
450 | ASSERT_EFI_ERROR (Status);\r | |
451 | ASSERT (DataSize >= (UINTN) (VariableHead->Offset + Size));\r | |
452 | \r | |
453 | return (VOID *) ((UINT8 *) Data + VariableHead->Offset);\r | |
454 | }\r | |
878ddf1f | 455 | \r |
52e1905d | 456 | case PCD_TYPE_DATA:\r |
457 | return (VOID *) ((UINT8 *)PeiPcdDb + Offset);\r | |
458 | break;\r | |
878ddf1f | 459 | \r |
52e1905d | 460 | case PCD_TYPE_STRING:\r |
461 | StringTableIdx = (UINT16) *((UINT8 *) PeiPcdDb + Offset);\r | |
462 | return (VOID *) (&StringTable[StringTableIdx]);\r | |
878ddf1f | 463 | \r |
52e1905d | 464 | default:\r |
465 | ASSERT (FALSE);\r | |
466 | break;\r | |
467 | \r | |
468 | }\r | |
878ddf1f | 469 | \r |
52e1905d | 470 | ASSERT (FALSE);\r |
471 | \r | |
472 | return NULL;\r | |
473 | \r | |
474 | }\r | |
878ddf1f | 475 | \r |
878ddf1f | 476 | \r |
52e1905d | 477 | VOID *\r |
478 | ExGetWorker (\r | |
479 | IN CONST EFI_GUID *Guid,\r | |
480 | IN UINT32 ExTokenNumber,\r | |
481 | IN UINTN GetSize\r | |
878ddf1f | 482 | )\r |
483 | {\r | |
52e1905d | 484 | EX_PCD_ENTRY_ATTRIBUTE Attr;\r |
878ddf1f | 485 | \r |
52e1905d | 486 | GetExPcdTokenAttributes (Guid, ExTokenNumber, &Attr);\r |
878ddf1f | 487 | \r |
52e1905d | 488 | ASSERT ((GetSize == Attr.Size) || (GetSize == 0));\r |
878ddf1f | 489 | \r |
52e1905d | 490 | return GetWorkerByLocalTokenNumber (GetPcdDatabase(),\r |
491 | Attr.LocalTokenNumberAlias,\r | |
492 | Attr.Size\r | |
493 | );\r | |
878ddf1f | 494 | }\r |
495 | \r | |
52e1905d | 496 | VOID *\r |
497 | GetWorker (\r | |
498 | UINTN TokenNumber,\r | |
499 | UINTN GetSize\r | |
878ddf1f | 500 | )\r |
501 | {\r | |
52e1905d | 502 | PEI_PCD_DATABASE *PeiPcdDb;\r |
878ddf1f | 503 | \r |
52e1905d | 504 | ASSERT (TokenNumber < PEI_LOCAL_TOKEN_NUMBER);\r |
878ddf1f | 505 | \r |
52e1905d | 506 | ASSERT (GetSize == PeiPcdGetSize (TokenNumber) || GetSize == 0);\r |
878ddf1f | 507 | \r |
52e1905d | 508 | PeiPcdDb = GetPcdDatabase ();\r |
509 | \r | |
510 | return GetWorkerByLocalTokenNumber (PeiPcdDb, PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber], GetSize);\r | |
511 | }\r | |
878ddf1f | 512 | \r |
878ddf1f | 513 | \r |
52e1905d | 514 | VOID\r |
515 | GetExPcdTokenAttributes (\r | |
516 | IN CONST EFI_GUID *Guid,\r | |
517 | IN UINT32 ExTokenNumber,\r | |
518 | OUT EX_PCD_ENTRY_ATTRIBUTE *ExAttr\r | |
519 | )\r | |
520 | {\r | |
521 | UINT32 i;\r | |
522 | DYNAMICEX_MAPPING *ExMap;\r | |
523 | EFI_GUID *GuidTable;\r | |
524 | PEI_PCD_DATABASE *PeiPcdDb;\r | |
878ddf1f | 525 | \r |
52e1905d | 526 | PeiPcdDb = GetPcdDatabase();\r |
527 | \r | |
528 | ExMap = PeiPcdDb->Init.ExMapTable;\r | |
529 | GuidTable = PeiPcdDb->Init.GuidTable;\r | |
530 | \r | |
531 | for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {\r | |
532 | if ((ExTokenNumber == ExMap[i].ExTokenNumber) && \r | |
533 | CompareGuid (Guid, (CONST EFI_GUID *) &GuidTable[ExMap[i].ExGuidIndex])) {\r | |
534 | ExAttr->TokenNumber = i + PEI_NEX_TOKEN_NUMBER;\r | |
535 | ExAttr->Size = PeiPcdDb->Init.SizeTable[i + PEI_NEX_TOKEN_NUMBER];\r | |
536 | ExAttr->LocalTokenNumberAlias = ExMap[i].LocalTokenNumber;\r | |
537 | }\r | |
538 | }\r | |
539 | \r | |
540 | ASSERT (FALSE);\r | |
541 | \r | |
542 | return;\r | |
878ddf1f | 543 | }\r |
544 | \r | |
545 | \r | |
546 | \r | |
52e1905d | 547 | PEI_PCD_DATABASE *\r |
548 | GetPcdDatabase (\r | |
549 | VOID\r | |
878ddf1f | 550 | )\r |
551 | {\r | |
52e1905d | 552 | EFI_HOB_GUID_TYPE *GuidHob;\r |
878ddf1f | 553 | \r |
52e1905d | 554 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r |
555 | ASSERT (GuidHob != NULL);\r | |
556 | \r | |
557 | return (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
558 | }\r | |
878ddf1f | 559 | \r |